Delphi Event Bus 2.0
by Delphi Event Bus in Libraries for Delphi
Delphi Event Bus (for short DEB) is an Event Bus framework for the Delphi platform implementing the publish/subscribe pattern. DEB is designed to decouple different parts/layers of your application while still allowing them to communicate efficiently.
Trial - TMS Async 2.2
by tmssoftware.com bvba in Trial for RAD Studio
Communications package that provides access to the serial ports under Windows. The event-driven architecture provides the highest possible performance and allows all the tools to run in the background.